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Synthesis, LSD1 Inhibitory Activity, and LSD1 Binding Model of Optically Pure Lysine-PCPA Conjugates.

Abstract：

:Compounds that inhibit the catalytic function of lysine-specific demethylase 1 (LSD1) are interesting as therapeutic agents. Recently, we identified three lysine-phenylcyclopropylamine conjugates, NCD18, NCD25, and NCD41, which are potent LSD1 inactivators. However, in our previous study, because we tested those compounds as mixtures of (1S,2R)- and (1R,2S)-disubstituted cyclopropane rings, the relationship between the stereochemistry of the cyclopropane ring and their biological activity remained unknown. In this work, we synthesized optically active compounds of NCD18, NCD25, and NCD41 and evaluated their LSD1 inhibitory activities. In enzyme assays, the LSD1 inhibitory activities of (1R,2S)-NCD18 and (1R,2S)-NCD25 were approximately eleven and four times more potent than those of the corresponding (1S,2R)-isomers, respectively. On the other hand, (1S,2R)-NCD41 was four times more potent than (1R,2S)-NCD41. Binding simulation with LSD1 indicated that the aromatic rings of the compounds and the amino group of the cyclopropylamine were important for the interaction with LSD1, and that the stereochemistry of the 1,2-disubstituted cyclopropane ring affected the position of the aromatic rings and the hydrogen bond formation of the amino group in the LSD1 catalytic site. These findings are expected to contribute to the further development of LSD1 inactivators.

journal_name

Comput Struct Biotechnol J

journal_title

Computational and structural biotechnology journal

authors

Itoh Y,Ogasawara D,Ota Y,Mizukami T,Suzuki T

doi

10.5936/csbj.201402002

subject

Has Abstract

pub_date

2014-02-15 00:00:00

pages

e201402002

issn

2001-0370

pii

CSBJ-9-e201402002

journal_volume

9

pub_type

杂志文章

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